Earthquake with magnitude of ML 0.9 on date 03-12-2021 and time 08:00:30 (Italy) in region 2 km W Ussita (MC)

A magnitude ML 0.9 earthquake occured in region: 2 km W Ussita (MC), on

  • 03-12-2021 07:00:30 (UTC)
  • 03-12-2021 08:00:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.944, 13.115 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ussita MC 2 444 444
Visso MC 3 1107 1551
Castelsantangelo sul Nera MC 6 281 1832
Preci PG 10 724 2556
Fiordimonte MC 11 202 2758
Bolognola MC 11 142 2900
Acquacanina MC 11 121 3021
Fiastra MC 11 559 3580
Monte Cavallo MC 11 145 3725
Pieve Torina MC 12 1458 5183
Pievebovigliana MC 14 866 6049
Sellano PG 16 1079 7128
Muccia MC 17 915 8043
Norcia PG 17 4957 13000
Montemonaco AP 18 604 13604
Sarnano MC 18 3264 16868
Montefortino FM 19 1178 18046
Serravalle di Chienti MC 20 1070 19116

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
57 Km NE of Terni (111501 inhabitants)
58 Km NW of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
97 Km NW of Montesilvano (53738 inhabitants)
100 Km S of Fano (60888 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 0.9 2021-12-03
07:00:30
42.9442 13.1152 10 2021-12-03
07:08:04
Sala Sismica INGV-Roma 98083451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-03 07:00:30 ± 0.12
Latitude 42.9442 ± 0.0027
Longitude 13.1152 ± 0.0037
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 98083451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 64
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 300
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.16548
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 98083451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-03 07:08:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IX.RSF3.HHZ.02 2021-12-03T07:01:48.99 3.0 undecidable manual Sg 13.39 0
TV.GMB1.HHZ. 2021-12-03T07:01:47.37 3.0 positive manual Pg 11.76 0
IV.GIZZ.HHZ. 2021-12-03T07:01:37.78 3.0 positive manual Pg 10.39 0
IV.ORZI.HHZ. 2021-12-03T07:01:32.76 3.0 undecidable manual Sn -4.96 0
IV.BDI.HHZ. 2021-12-03T07:01:14.83 3.0 undecidable manual Sn 1.5 0
IV.IMOL.HNZ. 2021-12-03T07:01:09.53 3.0 undecidable manual Sg 7.13 0
IV.CING.HHZ. 2021-12-03T07:00:59.11 3.0 undecidable manual Sg 11.29 0
IV.BAG8.HNZ. 2021-12-03T07:00:58.03 3.0 negative manual Pg -3.17 0
IV.COLB.HHZ. 2021-12-03T07:00:57.78 3.0 negative manual Pn 0.82 0
IV.SBPO.HNZ. 2021-12-03T07:00:51.70 3.0 negative manual Pg 0.51 0
IV.LAV9.HHZ. 2021-12-03T07:00:43.26 3.0 positive manual Pn -1.95 0
IV.MOMA.HNZ. 2021-12-03T07:00:42.18 3.0 undecidable manual Pg 7.08 0
IV.IMOL.HNZ. 2021-12-03T07:00:41.65 3.0 negative manual Pg 0.83 0
IV.CESI.HHZ. 2021-12-03T07:00:37.44 0.3 undecidable manual S 292 0.1655 119 0.02 75
IV.CSP1.EHZ. 2021-12-03T07:00:37.20 0.1 undecidable manual S 24 0.1619 120 -0.08 99
IV.FDMO.HHZ. 2021-12-03T07:00:35.11 0.3 undecidable manual S 348 0.0944 135 -0.11 75
IV.NRCA.HHZ. 2021-12-03T07:00:35.46 0.3 undecidable manual S 180 0.1106 130 -0.21 73
IT.MTCL.HGE. 2021-12-03T07:00:35.24 0.3 undecidable manual S 300 0.098 134 -0.08 75
IV.CSP1.EHZ. 2021-12-03T07:00:34.22 0.1 undecidable manual P 24 0.1619 120 -0.03 100
IV.CESI.HHZ. 2021-12-03T07:00:34.33 0.6 undecidable manual P 292 0.1655 119 0.01 50
IV.MC2.EHZ. 2021-12-03T07:00:34.58 0.3 undecidable manual S 121 0.063 146 0.14 75
IV.FEMA.HNE. 2021-12-03T07:00:34.22 0.3 undecidable manual S 291 0.0513 151 0.02 77
IV.FDMO.HHZ. 2021-12-03T07:00:33.07 0.3 undecidable manual P 348 0.0944 135 0.02 76
IV.NRCA.HHZ. 2021-12-03T07:00:33.19 0.3 undecidable manual P 180 0.1106 130 -0.13 74
IT.MTCL.HGE. 2021-12-03T07:00:33.18 0.6 undecidable manual P 300 0.098 134 0.07 50
IV.MC2.EHZ. 2021-12-03T07:00:32.73 0.3 undecidable manual P 121 0.063 146 0.13 75
IV.FEMA.HNE. 2021-12-03T07:00:32.70 0.1 undecidable manual P 291 0.0513 151 0.23 98
IV.MTL1.HNZ. 2021-12-03T07:00:32.36 3.0 undecidable manual P -0.33 0
IV.FOSV.EHZ. 2021-12-03T07:00:31.65 3.0 undecidable manual P -1.22 0
IV.FRON.EHZ. 2021-12-03T07:00:30.95 3.0 positive manual P -1.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHE. ML:1.6 5.9559145E-5 1.68 AML other m 2021-12-03T07:00:58.17
IV.FRON.EHN. ML:1.4 3.899891E-5 0.8416 AML other m 2021-12-03T07:00:57.30
IV.FOSV.HNE. ML:1.5 9.7442535E-5 0.6304 AML other m 2021-12-03T07:00:59.13
IV.FOSV.HNN. ML:1.6 0.000118941995 0.7776 AML other m 2021-12-03T07:00:33.01
IV.FOSV.EHE. ML:1.1 3.746089E-5 1.2032 AML other m 2021-12-03T07:00:33.68
IV.FOSV.EHN. ML:0.9 2.055308965E-5 0.5984 AML other m 2021-12-03T07:00:38.67
IV.MTL1.HNE. ML:2.7 0.00185402905 0.6304 AML other m 2021-12-03T07:00:39.29
IV.MTL1.HNN. ML:2.6 0.0015379844 0.9504 AML other m 2021-12-03T07:00:48.61
IV.MC2.EHE. ML:1 0.0001645549 0.1184 AML other m 2021-12-03T07:00:34.69
IV.MC2.EHN. ML:1 0.0001496567 0.1824 AML other m 2021-12-03T07:00:36.27
IV.FDMO.HHE. ML:0.6 5.0568605E-5 0.1184 AML other m 2021-12-03T07:00:35.40
IV.FDMO.HHN. ML:0.6 4.5996845E-5 1.52 AML other m 2021-12-03T07:00:35.62
IV.NRCA.HHE. ML:0.7 5.561085E-5 0.08 AML other m 2021-12-03T07:00:37.06
IV.NRCA.HHN. ML:0.6 3.967921E-5 0.08 AML other m 2021-12-03T07:00:36.53
IV.CSP1.EHE. ML:1.4 0.00021172845 1.7792 AML other m 2021-12-03T07:00:41.25
IV.CSP1.EHN. ML:1.4 0.0002281636 2.1216 AML other m 2021-12-03T07:00:52.98
IV.CESI.HNE. ML:1.3 0.0001440547 0.72 AML other m 2021-12-03T07:00:42.63
IV.CESI.HNN. ML:1.2 0.00013853681 1.1104 AML other m 2021-12-03T07:00:57.84
IV.CESI.HHE. ML:0.8 5.001081E-5 1.68 AML other m 2021-12-03T07:00:48.65
IV.CESI.HHN. ML:0.8 4.901911E-5 1.6 AML other m 2021-12-03T07:00:58.25
IV.IMOL.EHE. ML:2.5 0.00010861535 0.6592 AML other m 2021-12-03T07:01:42.20
IV.IMOL.EHN. ML:2.8 0.00023072985 1.4592 AML other m 2021-12-03T07:01:37.12
IV.IMOL.HNE. ML:4.2 0.0055604385 0.0672 AML other m 2021-12-03T07:00:43.84
IV.IMOL.HNN. ML:4.3 0.0060085905 0.0608 AML other m 2021-12-03T07:00:42.31
IV.LAV9.HHE. ML:2.9 0.00040449585 0.1792 AML other m 2021-12-03T07:00:44.69
IV.LAV9.HHN. ML:2.9 0.000429889 0.1792 AML other m 2021-12-03T07:00:44.04
IV.LAV9.HNE. ML:2.9 0.0004169564 0.4896 AML other m 2021-12-03T07:01:33.72
IV.LAV9.HNN. ML:2.9 0.000421314 0.3488 AML other m 2021-12-03T07:00:50.04
IV.SBPO.HNE. ML:4 0.0012734035 0.0576 AML other m 2021-12-03T07:00:55.31
IV.SBPO.HNN. ML:3.8 0.00089150675 0.7392 AML other m 2021-12-03T07:01:17.93
IV.COLB.HHE. ML:3.6 0.00082344215 1.0208 AML other m 2021-12-03T07:02:05.29
IV.COLB.HHN. ML:3.4 0.00054654695 0.5216 AML other m 2021-12-03T07:01:37.74
IV.BAG8.HNE. ML:3.5 0.0001956655 0.0704 AML other m 2021-12-03T07:00:58.15
IV.BAG8.HNN. ML:3.3 0.00014019265 0.3616 AML other m 2021-12-03T07:01:36.07
IV.BAG8.EHE. ML:3.5 0.00020110225 0.0608 AML other m 2021-12-03T07:00:58.12
IV.BAG8.EHN. ML:3.2 0.0001101852 0.1408 AML other m 2021-12-03T07:00:58.27
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download